Plimmerton Flood Response Project

Plimmerton residents and businesses have faced a number of significant flooding events in recent years.

Both the Plimmerton West (Hongoeka Marae and Karehana Park) area and the Taupo Stream catchment around James Street/State Highway 1 have been impacted.

Following the most recent flood event in November 2020 Porirua City Council and Wellington Water have set up a project to respond to community concerns and to investigate a range of solutions.

Download the project plan Flood prone area response

Catchment Studies

Wellington Water (WWL) and Porirua City Council (PCC) have kicked off an investigation study of stormwater management options to reduce flooding. We plan to undertake three Catchment Study investigations in the coming year.

Karehana Bay catchment Study is underway and the Project Plan which describes the study is linked here.

Starting in July 2020 the Catchment Studies for Hongoeka and James St/Taupo Stream will get underway.


Maintenance

While the Catchment Study investigations are taking place, we are committed to maintaining the current stormwater system as best we can. The current system is designed to manage a 1 in 10-year flood event, and becomes overwhelmed during short, intense periods of rain. When it’s high tide the system struggles even more, as water at the bottom of the catchment is unable to get out to sea.

Wellington water, Porirua City Parks Team, NZTA and Downers all have maintenance responsibilities in the Plimmerton area. This part of the project aims to:

  • Ensure a joined-up maintenance plan and schedule
  • Share this maintenance plan and schedule with the community
  • Provide evidence that the maintenance is occurring as agreed in the maintenance plan.

To provide information about what stormwater assets we maintain and how often, we've developed a new GIS map which details the maintenance schedule for the various assets in the Karehana Park and James Street catchments. The map is a work in progress, so we'd love your feedback. Take a look

Plimmerton cleanup.jpg


Supporting Flood Affected Homes

We are keen to support flood affected homeowners and tenants to repair their homes and recover from the November 2020 flood event. Our Resource Consents and Building Assurance Teams are happy to talk to you at any time and help out as much as they can with advice and support when you need to seek consent for works at your home.

Community update drop-in session

Tuesday 6 July, between 3.30pm and 7pm, Plimmerton Pavilion

Plimmerton people are invited to drop in for an update on the flood response project.

Experts from Wellington Water and Council will provide information on stormwater network maintenance and where we are up to in planning for long-term solutions.

Pop in any time that suits - the team will be on hand to talk to you and answer questions through the afternoon/early evening.

Consenting drop-in clinic

Wednesday 21 April, between 5.30 and 7pm, Plimmerton Boating Club

We’re holding a drop-in clinic for flood-affected residents who have questions about building consents or resource consents as part of their repair process.

We’ll have members of our consenting teams on hand to answer any questions and talk through queries with you.

Feel free to pop in anytime between 5.30 and 7pm on Wednesday 21 April

Alternatively you can call our Contact Centre on 04 237 5089 to arrange a chat with a Consents Planner.


Community Engagement

Following the flood in November 2020 the Plimmerton Flood Action Group established themselves as a touch point for the Community. Council are also working closely with this group.

Plimmerton Flood Action Group

plimmertonfloodaction@gmail.com and on Facebook, search “Plimmerton Flood Action”

A Working Group, representing the community, has also been established to provide direct feedback to Council and Wellington Water as we work through the Karehana Catchment Study investigation

Find out more about this group here